News Releases

AmerenUE, a subsidiary of Ameren Corporation (NYSE: AEE), announced today that it is offering $85 million of 5.00% senior secured notes due Feb. 1, 2020. The transaction is expected to close on Jan. 27, 2005. AmerenUE intends to use the net offering proceeds of approximately $83.4 million to repay outstanding short- term debt temporarily incurred to pay at maturity $85 million principal amount of 7.375% first mortgage bonds that were due Dec. 15, 2004. The underwriters for the offering are Banc of America Securities LLC and Wachovia Capital Markets, LLC.

This press release shall not constitute an offer to sell, or the solicitation of an offer to buy, nor shall there be any sale of the notes in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. The offering may only be made by means of a prospectus and a related prospectus supplement, copies of which may be obtained when available from Banc of America Securities LLC, at 9 West 57th St., New York, N. Y. 10019; and Wachovia Capital Markets, LLC, at 301 South College St., Charlotte, N.C. 28288.

AmerenUE is a subsidiary of St. Louis-based Ameren Corporation. Ameren companies serve 2.2 million electric customers and 900,000 natural gas customers in a 64,000-square-mile area of Missouri and Illinois.

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